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SCT2026

更新时间： 2024-02-29 15:58:16
品牌 Logo 应用领域
其他 - ETC 驱动
页数 文件大小 规格书
14页 409K
描述
16-bit senrial-in/parallel-out constant current driver

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SCT2026 数据手册

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StarChips  
Technology  
16-bit Serial-In/Parallel-Out Constant-Current LED Driver  
SCT2026 V03_01; Dec/08  
Product Description  
The SCT2026 serial-interfaced LED driver sinks 16 LED clusters with constant  
current to keep the uniform intensity of LED displays. In applications, an external  
resistor is used to set the full-scale constant output current from 5mA up to 90mA.  
The SCT2026 guarantees each output can endure maximum 17V DC voltage stress.  
The built-in shift registers and data latches making the SCT2026 effective solution in  
driving LED display. The output enable function gates all 16 outputs on and off, and  
is fast enough to be used as PWM input for LED intensity control. Since the serial  
data input rate can be reached up to 25MHz, the SCT2026 will satisfy system which  
needs high volume data transmission to control the LED display.  
Features  
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16 constant-current outputs rate at 17V  
Constant output current range: 5 – 90mA  
Excellent current regulation to load, supply voltage and temperature  
±2% Current matching between outputs  
±5% Current matching between ICs  
Fast output current control: Minimum PWM pulse width = 120ns  
All output current are programmed together using a single external resistor  
CMOS Schmitt triggered inputs  
High serial data transfer rate: 25MHz  
Operating supply voltage range of 4.5V to 5.5V  
Built-in power on reset and thermal protection function  
Package: SOP24, SSOP24 and SDIP24  
‹ Applications: LED Displays, Variable Message Signs, LED Traffic Signs  
Pin Configurations  
OUT13  
OUT14  
OUT15  
OE/  
GND  
SDI  
1
2
3
VDD  
REXT  
24  
23  
22  
21  
20  
19  
1
2
3
24  
23  
22  
21  
20  
19  
OUT12  
OUT11  
OUT10  
OUT9  
OUT8  
OUT7  
OUT6  
OUT5  
CLK  
LA/  
SDO  
4
5
SDO  
OE/  
4
SCT2026  
CSAG  
5 SCT2026  
6
OUT15  
OUT14  
OUT13  
OUT12  
OUT11  
REXT  
VDD  
OUT0  
OUT1  
OUT2  
CSOG  
CSSG  
CSTG  
CSDG  
6
7
GND  
18  
17  
16  
15  
14  
13  
7
18  
17  
16  
15  
14  
13  
8
SDI  
CLK  
LA/  
8
OUT3  
OUT4  
OUT5  
OUT6  
OUT7  
9
9
OUT4  
OUT3  
OUT2  
OUT10  
OUT9  
OUT8  
10  
11  
12  
10  
11  
12  
OUT0  
OUT1  
深圳市德凯源科技有限公司 SCT(晶锜科技)一级代理  
地址：深圳市福田区中航路都会电子城2B102A  
http://www.dekay-sz.com  
TEL:0755-82571529/13428925925  
FAX:0755-89374256  
E-mail:dekay_sz@126.com  
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